Home / 30,031.62-41,443.17-16,602.57

Finding the Fourth Proportional to 30,031.62, 41,443.17 and 16,602.57

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Solution

The fourth proportional to 30,031.62, 41,443.17 and 16,602.57 is: 22,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031.62 : 41,443.17 = 16,602.57 : x
  2. Step 2: Convert to fraction form
    30,031.62/41,443.17 = 16,602.57/x
  3. Step 3: Cross multiply
    30,031.62x = 41,443.17 × 16,602.57
  4. Step 4: Simplify right side
    30,031.62x = 688,063,130.95
  5. Step 5: Solve for x
    x = 688,063,130.95/30,031.62
  6. Step 6: Final answer
    x = 22,911.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.